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College Algebra Unit 2 Review

Total questions: 163

Worksheet time: 14hrs 29mins

Name
Class
Date
1.
a)

−1 ∕ 3

b)

− 3

c)

1 ∕ 3

d)

−5 ∕ 3

e)

3

2.
a)

I and II only

b)

I only

c)

II only

d)

II and III only

e)

I, II and III

3.
a)

6

b)

-2

c)

4

d)

3

e)

9

4.
What is the increasing interval for the following function?
f(x) = 3x2 - 9 
a)
0 ≤ x ≤∞
b)
-9 ≤ x ≤∞
c)
-∞ ≤ x ≤ -9
d)
-∞ ≤ x ≤∞
5.
a)
A
b)
B
c)
C
d)
D
6.
Find the value of the discriminant: 4x2-7x+8
a)
√79
b)
√-79
c)
-79
d)
-7±i√79/8
7.
Write the equation in vertex form:
y = -2x2+16x+4
a)
y=-2(x-4)2+4
b)
y =-2(x+4)2+36
c)
y=-2(x+4)2+4
d)
y =-2(x-4)2+36
8.
What is the vertex:
y = 2(x-3)2+18
a)
(-3,-18)
b)
(3,-18)
c)
(-3,18)
d)
(3,18)
9.
Given f(x) = 3x - 2 and g(x) = x2-5. Find: (f-g)(2)
a)
5
b)
0
c)
4
d)
2
10.
Which quadratic is the widest?
a)
y = -3/4x2+4x+1
b)
y=2x2-3x+7
c)
y=-4x2+9
d)
y=7/5x2-5x+1
11.
Select the correct statement about the function
f(x)=-x2+2x+8
a)
The vertex is (1,-9)
b)
The axis of symmetry is y=9
c)
The graph has a minimum of 9
d)
The range is (-∞,9]
12.

Select the correct equation for the graph.

a)

f(x)=-(x+2)²+4

b)

f(x)= (x-2)²+4

c)

f(x)=(x+2)²-4

d)

f(x)=-(x-2)²+4

13.
Write a linear function f with the values
f(1) = 3 and f(4) = -6.
a)
y = -3x + 6
b)
y = -6
c)
y = -3x - 6
d)
y = 3x + 6
14.
Monica was taking a bus trip to see her aunt.  For her to ride 50 miles it cost her $40.  For her to ride 250 miles the bus trip would cost her $100.  Find the rate of change in dollars per mile.  Write an equation in slope-intercept form to model this situation.
a)
y = 3/10x + 40
b)
y = 2.5x + 25
c)
y = 3/10x + 30
d)
y = 3/10x + 25
15.

If g(x) = -3x2 - 5x + 2 = 0, on which interval(s) is g(x) > 0?

a)

(-∞, -2) u (0.333,∞)

b)

(0.333, ∞)

c)

[-2.0, 0.333]

d)

(-2,0.333)

16.

A school club will have spend $0.25 for each lollipop for the first 1000 lollipops it orders for a fundraiser. After that, they will no longer have to purchase future lollipops. Which of the following graphs best models the cost incurred by the school club?

a)
b)
c)
d)
17.

A school club will have spend $0.25 for each lollipop for the first 1000 lollipops it orders for a fundraiser. After that, they will no longer have to purchase future lollipops. Which of the following piece-wise functions best models the cost incurred by the school club?

a)
b)
c)
d)
18.

Which of the following tables of values represents graphs of linear functions?

a)
b)
c)
d)
19.

If the graph of this absolute value function is

f(x) = a|bx + c| + d, what is the value of d in the equation?

a)

-4

b)

3

c)

4

d)

1/2

20.

Which of the following would produce the graph of f (x)?

a)

f(x) = ½ |x - 4| + 3

b)

f(x) = ½ |x + 4| + 3

c)

f(x) = ½ |x - 4| - 3

d)

f(x) = 2 |x - 4| + 3

21.

Which of the following is the maximum point on the graph of f(x) = -x2 + 6x + 4 ?

a)

(3,31)

b)

(-3,-23)

c)

(3,13)

d)

(3,22)

22.

The graph of a square root function, h(x), is pictured above. Which of the following would be the graph of h(x)?

a)

-[√(x-3)]+2

b)

[√(x+3)]+2

c)

[√(x-3)]+2

d)

-[√(x+3)]+2

23.

Which of the following statements are true regarding the graph of h(x) above?


I. The domain of h(x) is [-3,∞).

II. The range of h(x) (-∞,2).

III. The graph of h(x) contains the point (-2,1).

a)

I only

b)

II and III only

c)

II only

d)

I and III only

e)

I, II and III

24.

Regarding the graph of f(x) above, which of the following statements is NOT true?

a)

f(-6) < f(-5) < f(2)

b)

f(-6) < f(1) < f(2)

c)

f(-3) < f(0) < f(1)

d)

f(-2) < f(0) < f(-6)

e)

Cannot be determined

25.

Regarding the graph of f(x) above, which of the following statements is true?

I. The range of f(x) is [-4,8)

II. f(x)=-3 only when x=-2

III. The domain of f(x) is [-6, 3]

a)

I and III only

b)

I, II and III

c)

I and II only

d)

I only

e)

II and III only

26.

Regarding the graph of h(x) above, which of the following intervals includes all the value(s) of x for which h(x) > 0?

a)

(-3,-2)u(2,5)

b)

[-3,5)

c)

[-3,5]

d)

(-3,5)

e)

(-4,-2)U(2,5)

27.

Regarding the graph of h(x) above, which of the following intervals indicates all the value(s) of x for which h(x) is increasing?

a)

(-3,-2)U(2,5)

b)

(-4,5)

c)

[-3,5]

d)

(-3,5)

e)

(-4,-2)U(2,5)

28.

What is the domain of the function f(x) shown in the figure?

a)

[1,∞)

b)

(1,2)U(2,5)(5,∞)

c)

[1,2)U(2,5)(5,∞)

d)

(1,5)U(5,∞)

e)

[1,2)U(2,∞)

29.
About how many male math teachers were there in 2006?
a)
15
b)
30
c)
35
d)
45
30.
What type of association does this graph have?
a)
positive 
b)
negative
c)
none
d)
all of the above
31.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 
a)
12 chapters
b)
15 chapters
c)
18 chapters
d)
21 chapters
32.
What is the type of correlation?
a)
Negative 
b)
no association
c)
positive 
33.
1.  Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam? 
a)
65
b)
92
c)
70
d)
76
34.
What type of correlation does this scatter plot represent?
a)
positive linear association
b)
negative linear association
c)
no association
d)
nonlinear association
35.
Which sentence describes the relationship shown on this scatterplot?
a)
As the temperature decreases, the visitors increase. 
b)
As the temperature increases, the number of visitors increases. 
c)
As the visitors increase, the temperature decreases. 
d)
No correlation
36.
Johnny has to pay $15 for a large pizza and 1.50 for each topping.  What is the meaning of the y-intercept?
a)
It cost 1.50 per topping
b)
It cost 1.50 for unlimited toppings
c)
It cost $15 for a large pizza
d)
It cost $15 for a large pizza with no toppings
37.

Given g(x) provided in the graph and the function

f(x) = -3(x + 4)2 - 1, what is true about the two functions?

a)

The vertex is (-4, -1)

b)

They have the same y-intercept

c)

They both open downward

d)

They have the same axis of symmetry

38.

Determine the domain and range of the function

a)

Domain: All real numbers, Range: All real numbers

b)

Domain: x ≥ -4, Range: All real numbers

c)

Domain: All real numbers, Range: y ≥ -4

d)

Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

39.

The profit from selling local ballet tickets depends on the ticket price. Using past receipts, we find that the profit can be modeled by the function:

p= -15x2 +600x +60

What is the maximum profit you can make from selling tickets?

a)

$6060

b)

$20

c)

$600

d)

$10,250

40.

Heather dropped a water balloon over the side of her school building from a height of 80 feet. The approximate height of the balloon at any point during its fall can be represented by the following quadratic equation:

h = -16t2 + 80

About how long did it take for the balloon to reach a height of 30 feet?

a)

1.77 seconds

b)

2.24 seconds

c)

2.45 seconds

d)

2.83 seconds

41.
Describe the transformations of f(x) when compared to the parent function.
f(x)=(x+7)2
a)
horizontal shift left 7 units
b)
horizontal shift right 7 units
c)
vertical shift up 7 units
d)
vertical shift down 7 units
42.

What is the equation of the quadratic function obtained from vertically stretching the parent function by a factor of 2 and then vertically shifting up 3 units?

a)

f(x)= 2(x-3)2

b)

f(x)= 2(x+3)2

c)

f(x)= 2x2+3

d)

f(x)= (x-2)2+3

43.
 Which function represents the graph of f(x) = | x | translated 3 units to the right?
a)
g(x) = | x - 3 |
b)
g(x) = | x + 3 |
c)
g(x) = |x| - 3
d)
g(x) = |x| + 3
44.
What is the domain of g(x) = -½ x2 - 4 ?
a)
x > 0
b)
All real numbers
c)
x > -4
d)
x < -4
45.
Which function represents the graph of f(x) = x2 translated 5 units down?
a)
f(x) = x2 + 5
b)
f(x) = x2 - 5
c)
f(x) = (x-5)2
d)
f(x) = (x + 5)2
46.
 Evaluate f(1)
a)
0
b)
10
c)
.5
d)
3
47.
  . 
The blue is f(x)=|x|, red must be
a)
g(x)=|x+2|
b)
g(x)=|x|+2
c)
g(x)=|x-2|
d)
g(x)=|x|-2
48.
. 
If the blue is f(x)=x2, then the red must be
a)
g(x)=x2-5
b)
g(x)=x2+5
c)
g(x)=(x-5)2
d)
g(x)=(x+5)2
49.
. 
If the blue is f(x)=x2, the red must be
a)
g(x)=(x+3)2
b)
g(x)=(x-3)2
c)
g(x)=x2+3
d)
g(x)=x2-2
50.
Use the graph.  Evaluate f(3)
a)
0
b)
3
c)
-3
d)
-2
51.
Name the vertex of the parabola:
y = (x - 2)2 + 7
a)
(2, 7)
b)
(-2, -7)
c)
(2, -7)
d)
(-2, 7)
52.
Evaluate f(-2) if f(x) = x2+ 3
a)
-1
b)
1
c)
7
d)
-7
53.
a)
a
b)
b
c)
c
d)
d
54.
a)
a
b)
b
c)
c
d)
d
55.

f(x) = 9-3x

g(x) = 5x-7

Find (f+g)(x).

a)

14x-10

b)

-8x+2

c)

2x+2

d)

2x-2

56.

f(x) = x2+9

g(x) = x-9

Find (f-g)(x).

a)

x2+x+9

b)

x2-x+9

c)

x2-x

d)

x2-x+18

57.

f(x)=x2+1

g(x)=2x-5

Find (f-g)(x)

a)

x2-2x+6

b)

-x2+2x+4

c)

-x2-2x-6

d)

x2-2x-4

58.

f(x) = 4x+8

g(x) = x+3,

Find (f*g)(x)

a)

4x2+24

b)

4x2+20x+24

c)

4x2+12x+24

d)

4x2+4x+24

59.

f(x)=x3-3x

g(x)=-4x+1

Find (f*g)(x)

a)

-4x3-5x2-3

b)

-4x3+2x2-3x

c)

-4x4+x3+12x2-3x

d)

-4x4-x3+12x2+3x

60.

f(n)=2n+1

g(n)=3n

Find (f+g)(n)

a)

5n+1

b)

-5n+1

c)

-2n+1

d)

-6n-1

61.
All of the x values or inputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
62.
Given
f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).
a)
11x2 - 1
b)
5x4 + 6x2 - 1
c)
5x2 + 6x - 1
d)
5x2 + 8x - 1
63.
f(x)=3x2+1
g(x)=4x+5
What is (f+g)(2)
a)
13
b)
0
c)
26
d)
6x2+8x+12
64.
h(x)=x2-3x-10,
j(x)=3x-2
What is (h/j)(-2)
a)
-2
b)
undefined
c)
0
d)
1
65.

f(x)=2x + 4

g(x)=3x2 - 1

Find f(x) ⋅ g(x)

a)

6x4 + 12x3 - 4x2 - 8x

b)

-6x3 + 12x2 + 2x - 4

c)

6x3 + 12x2 - 2x - 4

d)

5x2 - 18x + 20

66.

f(x)= x2 - 1

g(x)= x - 1

Find (f/g)(10)

a)

9

b)

11

c)

90

d)

110

67.

Which of the following represent the graph?

a)
b)
c)
d)
68.

What is the domain for the following function?

a)

All real numbers except 2.

b)

All real number except -2.

c)

All real numbers except 4.

d)

All real numbers.

69.

Describe the transformation of the function.

a)

shift left 3 units

b)

shift right 3 units

c)

shift up 3 units

d)

shift down 3 units

70.

Describe the transformation of the function.

a)

shift right by 3 units

b)

shift left by 3 units

c)

shift up by 3 units

d)

shift down by 3 units

71.

Describe the transformations of the function.

a)

Shift up by 2 units

Reflected over the x-axis

b)

Shift down by 2 units

Reflected over the y-axis

c)

Shift up by 2 units

Reflected over the y-axis

d)

Shift left by 2 units

Reflected over the x-axis

72.
What is the vertex?
a)
(5,2)
b)
(2,5)
c)
(-2,5)
d)
(-5,2)
73.
What is the axis of symmetry in the following graph?
a)
(-1,0)
b)
X=0
c)
x=-1
d)
X=1
74.
If we have the equation y=ax2+bx+c, how can we can find the x-coordinate of the vertex?
a)
-a
b)
-b/a
c)
b/2a
d)
-b/2a
75.
What is the vertex of y=x2+4x+3?
a)
(2,1)
b)
(-2,1)
c)
(0,0)
d)
(-2,-1)
76.
Does the equation open up or down? 
Y = -3x2 +7x - 2
a)
up
b)
down
c)
both 
d)
neither
77.
What is the equation for axis of symmetry?
a)
y=3
b)
x=3
c)
x=5
d)
x=1
78.
Does this parabola have a minimum or maximum and what is its value?
a)
minimum: 2
b)
maximum: 2
c)
minimum: 5
d)
maximum: 5
79.
How many solutions does this graph have?
a)
one
b)
two
c)
no solutions
d)
cannot be determined
80.
What is the y intercept for the equation:
y = -8x2 + 3x - 7
a)
(0, -8)
b)
(0, 3)
c)
(-8, -7)
d)
(0, -7)
81.
Find the axis of symmetry for
f(x) = x2- 8x + 15.
a)
x = -4
b)
x = 4
c)
y = 4
d)
y = -4
82.

Evaluate f(2).

a)

f(2) = 5

b)

f(2) = 12

c)

f(2) = 10

d)

f(2) = 0.5

83.

What is the value of x when f(x) = 16?

a)

x = 4 only

b)

x = 4 and x = 8

c)

x = 16

d)

Not on the graph

84.

What is the value of x when f(x) = 10?

a)

x = 10 only

b)

x = 4 and x = 8

c)

x = 2 and x = 10

d)

No solution

85.

Evaluate f(3).

a)

f(3) = 0

b)

f(3) = -2

c)

f(3) = 3

d)

f(3) = 4

86.

For what value of x does f(x) = -2?

a)

x = 0

b)

x = -5

c)

x = 3

d)

x = -3

87.

If f(x) = 4x + 7, evaluate f(3).

a)

f(3) = 19

b)

f(3) = 14

c)

f(3) = 5

d)

f(3) = 12

88.
a)
b)
c)
d)
89.
Which ordered pair is a solution of
the equation
y = 6x?
a)
(12, 2)
b)
(4, 18)
c)
(3, 18)
d)
(6, 1)
90.
What is the definition of function?
a)
Has inputs and outputs
b)
Every input has only ONE output
c)
Inputs have different outputs every time
d)
x-values and y-values
91.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
92.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
93.
Is this graph a function or not a function? 
a)
Function 
b)
Not a Function
94.
Is the graph pictured a function?
a)
Yes
b)
No
95.
What is the domain of the graph?
a)
1≤ x ≤ 4
b)
1 < x < 4
c)
1≤ y ≤ 4
d)
1 < y < 4
96.
How many relative maximums does this function have?
a)
1
b)
2
c)
3
d)
4
97.
How many relative minimums does this function have?
a)
1
b)
2
c)
3
d)
4
98.

What is the domain and range of the function?

a)

Domain: x ≤ 7; Range: all real numbers

b)

Domain: all real numbers; Range: y ≤ 7

99.

What is the domain of the function?

a)

all real numbers except y can't be 0

b)

all real numbers except y can't be 1

c)

all real numbers except x can't be 0

d)

all real numbers except x can't be 1

100.

What is the range of the function?

a)

all real numbers except y can't be 0

b)

all real numbers except y can't be 1

c)

all real numbers except x can't be 0

d)

all real numbers except x can't be 1

101.

What is the y intercept?

a)

x = 1

b)

y = 1

c)

(2,0)

d)

(0,2)

102.

What is the equation shown in this graph?

a)

y = 5 - x2

b)

y = x2 + 5

c)

y = 5x

d)

y = 5 - x3

e)

y = x3 + 5

103.

which of the following equations represents the graph?

a)

y = - x2 + 2

b)

y = - x2 - 2

c)

y = x2 + 2

d)

y = x2 - 2

104.

Which of the following graphs represents the equation y = 2/x

a)
b)
c)
d)
e)
105.
What is the green dot on the parabola called?
a)
maximum
b)
minumum
c)
roots
d)
zeros
106.
What are the x- intercepts?
a)
x= 0 and x= -4
b)
x= 0 and x= 4
c)
y= 0
d)
x= 2
107.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1
108.
Which of the following are ways to find the rate of change?
a)
change in y over change in x
b)
rise over run
c)
subtract y coordinates over subtract x coordinates
d)
all of the above
109.

Is the relation a function? Why.

a)

Yes, because the x-value 11 has two y-values pair with it.

b)

Yes, because each x-value has only one y-value paired with it.

c)

No, because the x-value 11 has two y-values pair with it.

d)

No, because each x-value has only one y-value paired with it.

110.

Is the relation a function?

a)

Yes, it is a function.

b)

No, it is not a function.

111.
Which of the curves on the graph below indicates a function?
a)
A only
b)
A and B
c)
A, B, and C
d)
A, B, C, D
112.

Which of the relations on the graph CANNOT indicate a function?

a)

A and B

b)

C and D

c)

A, C, D

d)

A, B, C, D

113.

Using the vertical line test, does this graph show a function?

a)

Yes

b)

No

c)

Only sometimes

d)

Not enough information

114.

What is the y intercept of the line with the positive slope?

a)

-2

b)

2

c)

4

d)

0

115.

(1,3) (1,5) (2,6) (3,7)

Is this a valid function?

a)

Yes because all the values map to only one value

b)

No because one domain can't go to two range values

c)

Not enough information

d)

No because one range goes to two domain values

116.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
117.
Does this describe a function?
a)
Function
b)
Not a Function
118.
Does this describe a function?
a)
Function
b)
Not a Function
119.
Answer which relation is NOT a function.
a)
A
b)
B
c)
C
d)
D
120.
Which of these represents point-slope form?
a)
y - y1 = m(x-x1)
b)
Ax + By = C
c)
y = mx + b
d)
a2 + b2 = c2
121.
Which equation is shown?
a)
y = (x-2)2
b)
y = (x+2)2
122.
Which equation shows a function that is translated left 4 and 7 up?
a)
y = |x + 4| + 7
b)
y = (x - 4)2 + 7
c)
y = (x + 7)2 - 4
d)
y = |x + 4| - 7
123.

If f(x) (the blue graph) is the parent function, what is the equation of g(x) (the transformed red graph)?

a)

g(x)=x3+1

b)

g(x)=x3-1

c)

g(x)=(x-1)3

d)

g(x)=(x+1)3

124.
Name the parent function. 
a)
linear
b)
constant
c)
absolute value
d)
quadratic
125.
Name the parent function.
a)
linear
b)
quadratic
c)
absolute value
d)
cubic
126.
Name the parent function.
a)
linear
b)
quadratic
c)
cubic
d)
logarithmic
127.

Vroom Car Shop charges an hourly labor fee plus the cost of the parts to fix a vehicle.

Jenny’s equation to fix her car is y = 65x + 110.

Henry goes to the same shop and his equation is y = 65x + 80.

Which statement best describes the change?

a)

The hourly rate for Henry was increased.

b)

The hourly rate for Henry was decreased.

c)

The cost of the parts for Henry was more expensive.

d)

The cost of the parts for Henry was less expensive.

128.

If f(x) is the red graph and g(x) is the blue graph, what transformation changes f(x) to g(x)?

a)

translation

b)

rotation

c)

reflection

d)

vertical stretch

129.

Which of the following functions reflects the graph f(x)=(x-1)2 over the y-axis?

a)

g(x)= - (x-1)2

b)

g(x)= (x+1)2

c)

g(x)= (-x-1)2

d)

g(x)= (x-1)2-1

130.

Solve:

2x2 + 5x ≥ 12

a)

[-4, 1.5]

b)

(−∞, -4) U (1.5, ∞)

c)

(−∞, -4] U [1.5, ∞)

d)

no solution

131.

Solve: 5x - 10x2 < 0

a)

(0, ½)

b)

[0, ½]

c)

(−∞, 0) U (½, ∞)

d)

(- ½ , 0)

132.

Solve:

3x - x2 > 0

a)

(−∞, 0) U (3, ∞)

b)

(−∞, - 3) U (0, ∞)

c)

(-3, 0)

d)

(0, 3)

133.
6x2 - 54 ≤ 0
a)
-3 ≤ x ≤ 3
b)
x ≤ -3 or x ≥ 3
c)
-3 < x < 3
d)
x < -3 or x > 3
134.
5x2 + 10x + 7 ≥ 0
a)
no solution
b)
all reals
c)
x ≤ 5 or x ≥ 7
d)
5 ≤ x ≤ 7
135.
x2 - 9x - 112 ≥ 0
a)
-7 < x < 16
b)
-7 ≤ x ≤ 16
c)
x < -7 or x > 16
d)
x ≤ -7 or x ≥ 16
136.
-8x2 - 9 ≥ 0
a)
no solution
b)
all reals
c)
x = 1.125
d)
x ≠ 1.125
137.
What are the local maxima of this graph?
a)
local maximum at (2.2, 3.9)
b)
local maximum at (-8, 5)
c)
local maximum at (5, -8)⋃(3.9, 2.2)
d)
local maximum at (-8, 5)⋃(2.2, 3.9)
138.

When is this function increasing?

a)

−3 < x < 3

b)

0 < x < 5

c)

0 < x < 55

d)

−5 < x < 0

139.
Over what interval is this function constant?
a)
−5 < x < ∞
b)
−3 < x < 4
c)
4 < x < ∞
d)
−5
140.
List the types of intervals that the graph demonstrates in order.
a)
decreasing, constant, increasing, constant
b)
increasing, decreasing, constant
c)
increasing, constant, increasing, constant
d)
increasing, constant, decreasing, constant
141.
When is the velocity decreasing?
a)
0 < t < 60
b)
40 < t < 60
c)
15 < t < 40
d)
−40 < t < 0
142.

Where is the function increasing?

a)

x < 1

b)

x > 1

c)

y < −4

d)

y > −4

143.

Where is the function increasing?

a)

(4, ∞)

b)

(−4, ∞)

c)

(6, ∞)

d)

4 < x < 6

144.

Where is the function decreasing?

a)

( −∞, −2.55) U (0, 2.55)

b)

(∞, −6.25) U (36, −6.25)

c)

(−∞, ∞)

d)

(−∞, 0)

145.

Where is the function increasing?

a)

x ≥ −1

b)

x ≤ −1

c)

x ≥ 3

d)

x ≤ 3

146.
What are all the x-intercepts?
a)
(−2.55, 0), (2.55, 0)
b)
(−3,0), (−2,0), (2,0), (3,0)
c)
(0, 36)
d)
(−∞,∞)
147.
What is the absolute max?
a)
(0, 36)
b)
(−2.55, −6.55), (2.55, −6.55)
c)
(−∞, ∞)
d)
None
148.
a)
x = 2
b)
x = 1
c)
x = −1
d)
No Absolute Minimum
149.
List the intercepts of the graph.
a)
(2, 0), (0, 2), (0, 1), (0, −5)
b)
(2, 0), (1, 0) (−5, 0), (0, 2)
c)
(−2, 0), (1, 0), (5, 0), (0, 2)
d)
(2, 0), (0, −2), (0, 1), (0, 5)
150.
What is the domain of the graph?
a)
-7 ≤ x < 5
b)
-3 ≤ x < 1
c)
-3 ≤ y < 1
d)
-7 ≤ y < 5
151.
What is the range?
a)
-4 < x ≤ 5
b)
-4 ≤ x < 5
c)
-3 < y < 3
d)
-3 ≤ y ≤ 3
152.
Which statement is true about this function?
a)
The function is never constant
b)
The function is always increasing
c)
The function is never decreasing
d)
The function increases on the interval 11:00 < x < 15:00
153.
Where is the function decreasing?
a)
(-∞, -1)
b)
(-1, ∞)
c)
(-∞, 3)
d)
(-∞, ∞)
154.
What is the range?
a)
[-7,6]
b)
(-7,6)
c)
(-8, 2)
d)
[-8,2]
155.
What is the domain of the function?
a)
(3, ∞)
b)
[-3, ∞)
c)
(-∞, 4]
d)
(-∞, 4)
156.
What is the domain?
a)
(-4 , 5]
b)
[-4 , 5)
c)
(-3, 3)
d)
[-3, 3]
157.
What is the domain of the graph?
a)
[1,∞)
b)
(-∞,1]
c)
(-∞,∞)
d)
[-∞,∞]
158.
What is the range of the graph?
a)
[1, ∞)
b)
(1, ∞)
c)
(-∞, ∞)
d)
none of these
159.
What is the interval of increase of this function?
a)
(1, ∞)
b)
None
c)
(2, ∞)
d)
(-∞, ∞)
160.
What is the range of this function?
a)
(1, ∞)
b)
[2, 4]
c)
[0, ∞)
d)
[2, ∞)
161.
What is the domain of this function?
a)
(0, ∞)
b)
[1, ∞)
c)
[1, 5]
d)
[2, ∞)
162.
What is the interval of decrease of this function?
a)
(1, ∞)
b)
(-∞, ∞)
c)
(2, ∞)
d)
None
163.

Which of the following functions reflects the graph f(x)=(x-1)2 over the x-axis?

a)

g(x)= - (x-1)2

b)

g(x)= (x+1)2

c)

g(x)= (-x-1)2

d)

g(x)= (x-1)2-1

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